Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with iconshowing our new design; and,

FIG. 2 is an enlarged view of the icon of FIG. 1, shown separately forclarity of illustration.

The broken lines in FIG. 1 show a display screen or portion thereof andform no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withicon, as shown and described.